<template>
  <div class="home-container">
    <el-row>
      <el-col :span="8" style="padding-right: 10px"
        ><el-card class="box-card">
          <div class="user">
            <img src="../assets/user.png" alt="" />
            <div class="userinfo">
              <p class="name">
                {{ getUsername }}
              </p>
              <p class="access">{{ getLimit }}</p>
            </div>
          </div>
          <div class="login-info">
            <p>
              登录时间：<span>{{ getTime }}</span>
            </p>
            <p>登录地点：<span>江西上饶</span></p>
          </div>
        </el-card>
        <el-card style="margin-top: 20px; height: 460px">
          <el-table :data="tableData" style="width: 100%">
            <el-table-column
              v-for="(val, key) in tableLabel"
              :key="key"
              :prop="key"
              :label="val"
            />
          </el-table>
        </el-card>
      </el-col>
      <el-col :span="16" style="padding-left: 10px">
        <div class="num">
          <el-card
            v-for="item in countData"
            :key="item.name"
            :body-style="{ display: 'flex', padding: 0 }"
          >
            <i
              class="icon"
              :class="`el-icon-${item.icon}`"
              :style="{ background: item.color }"
            ></i>
            <div class="detail">
              <p class="price">￥{{ item.value }}</p>
              <p class="desc">{{ item.name }}</p>
            </div>
          </el-card>
        </div>
        <el-card style="height: 280px">
          <!-- 折线图 -->
          <div ref="echarts1" style="height: 280px"></div>
        </el-card>
        <div class="graph">
          <el-card style="height: 260px">
            <div ref="echarts2" style="height: 260px"></div>
          </el-card>
          <el-card style="height: 260px">
            <div ref="echarts3" style="height: 240px"></div>
          </el-card>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { getData, getUser } from "../api";
import * as echarts from "echarts";
export default {
  data() {
    return {
      tableData: [],
      tableLabel: {
        name: "课程",
        todayBuy: "今日购买",
        monthBuy: "本月购买",
        totalBuy: "总购买",
      },
      countData: [],
    };
  },
  computed: {
    date() {
      return Date();
    },
    getUsername() {
      return sessionStorage.getItem("username");
    },
    getLimit() {
      return sessionStorage.getItem("limit");
    },
    getTime() {
      return sessionStorage.getItem("time");
    },
  },
  mounted() {
    getData().then(({ data }) => {
      const { tableData, countData } = data.data;
      this.tableData = tableData;
      this.countData = countData;
      // 订单

      // 折线图
      // 基于准备好的dom，初始化echarts实例
      const echarts1 = echarts.init(this.$refs.echarts1);
      // 指定图表的配置项和数据
      var echarts1Options = {};
      // 处理数据xAxis
      const { orderData, userData, videoData } = data.data;
      const xAxis = Object.keys(orderData.date[0]);
      const legend = Object.keys(orderData.data[0]);
      const xAxisData = {
        data: xAxis,
      };
      const legendData = {
        data: legend,
      };
      echarts1Options.title = {
        text: "日成交价格",
        left: "left",
      };
      echarts1Options.xAxis = xAxisData;
      echarts1Options.yAxis = {};
      echarts1Options.legend = legendData;
      echarts1Options.series = [];
      legend.forEach((key) => {
        echarts1Options.series.push({
          name: key,
          data: orderData.data.map((item) => item[key]),
          type: "line",
        });
      });
      // 根据配置显示图表
      echarts1.setOption(echarts1Options);

      // 柱状图
      // 基于准备好的dom，初始化echarts实例
      const echarts2 = echarts.init(this.$refs.echarts2);
      const echarts2Option = {
        legend: {
          // 图例文字颜色
          textStyle: {
            color: "#333",
          },
        },
        grid: {
          left: "20%",
        },
        // 提示框
        tooltip: {
          trigger: "axis",
        },
        xAxis: {
          type: "category", // 类目轴
          data: userData.map((item) => item.date),
          axisLine: {
            lineStyle: {
              color: "#17b3a3",
            },
          },
          axisLabel: {
            interval: 0,
            color: "#333",
          },
        },
        yAxis: [
          {
            type: "value",
            axisLine: {
              lineStyle: {
                color: "#17b3a3",
              },
            },
          },
        ],
        color: ["#2ec7c9", "#b6a2de"],
        series: [
          {
            name: "新增用户",
            data: userData.map((item) => item.new),
            type: "bar",
          },
          {
            name: "活跃用户",
            data: userData.map((item) => item.active),
            type: "bar",
          },
        ],
      };
      echarts2.setOption(echarts2Option);

      // 饼状图
      const echarts3 = echarts.init(this.$refs.echarts3);
      const echarts3Option = {
        title: {
          subtext: "使用人数",
          left: "left",
        },
        tooltip: {
          trigger: "item",
        },
        color: [
          "#0f78f4",
          "#dd536b",
          "#9462e5",
          "#a6a6a6",
          "#e1bb22",
          "#39c362",
          "#3ed1cf",
        ],
        series: [
          {
            data: videoData,
            type: "pie",
          },
        ],
      };
      echarts3.setOption(echarts3Option);
    });
  },
};
</script>

<style lang="less" scoped>
.home-container {
  zoom: 75%;
  .user {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #ccc;
    display: flex;
    align-items: center;
    img {
      margin-right: 40px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
    }
    .userinfo {
      .name {
        font-size: 32px;
        margin-bottom: 10px;
      }
      .access {
        color: #999;
      }
    }
  }
  .login-info {
    p {
      line-height: 28px;
      font-size: 14px;
      color: #999;
      span {
        color: #666;
        margin-left: 60px;
      }
    }
  }
  .num {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    .icon {
      width: 80px;
      height: 80px;
      font-size: 30px;
      text-align: center;
      line-height: 80px;
      color: #fff;
    }
    .detail {
      margin-left: 15px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      .price {
        font-size: 30px;
        margin-bottom: 10px;
        line-height: 30px;
        height: 30px;
      }
      .desc {
        font-size: 14px;
        text-align: center;
        color: #999;
      }
    }
    .el-card {
      width: 32%;
      margin-bottom: 20px;
    }
  }
  .graph {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    .el-card {
      width: 48%;
    }
  }
}
</style>